Economic evaluation of a rehabilitation program integrating exercise, self-management, and active coping strategies for chronic knee pain

Hurley, M. V., Walsh, N. E., Mitchell, H. L., Pimm, T. J., Williamson, E., Jones, R. H., Reeves, B. C., Dieppe, P. A. and Patel, A. (2007) Economic evaluation of a rehabilitation program integrating exercise, self-management, and active coping strategies for chronic knee pain. Arthritis & Rheumatism, 57(7), pp. 1220-1229. ISSN (print) 0004-3591

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OBJECTIVE: To conduct an economic evaluation of the Enabling Self-Management and Coping with Arthritic Knee Pain through Exercise (ESCAPE-knee pain) program. METHODS: Alongside a clinical trial, we estimated the costs of usual primary care and participation in ESCAPE-knee pain delivered to individuals (Indiv-rehab) or groups of 8 participants (Grp-rehab). Information on resource use and informal care received was collected during face-to-face interviews. Cost-effectiveness and cost-utility were assessed from between-group differences in costs, function (primary clinical outcome), and quality-adjusted life years (QALYs). Cost-effectiveness acceptability curves were constructed to represent uncertainty around cost-effectiveness. RESULTS: Rehabilitation (regardless of whether Indiv-rehab or Grp-rehab) cost 224 pounds (95% confidence interval [95% CI] 184 pounds, 262 pounds) more per person than usual primary care. The probability of rehabilitation being more cost-effective than usual primary care was 90% if decision makers were willing to pay 1,900 pounds for improvements in functioning. Indiv-rehab cost 314 pounds/person and Grp-rehab 125 pounds/person. Indiv-rehab cost 189 pounds (95% CI 168 pounds, 208 pounds) more per person than Grp-rehab. The probability of Indiv-rehab being more cost-effective than Grp-rehab increased as willingness to pay (WTP) increased, reaching 50% probability at WTP 5,500 pounds. The lack of differences in QALYs across the arms led to lower probabilities of cost-effectiveness based on this outcome. CONCLUSION: Provision of ESCAPE-knee pain had small cost implications, but it was more likely to be cost-effective in improving function than usual primary care. Group rehabilitation reduces costs without compromising clinical effectiveness, increasing probability of cost-effectiveness.

Item Type: Article
Additional Information: This work was supported by the Arthritis Research Campaign and AstraZeneca.
Research Area: Allied health professions and studies
Health services research
Faculty, School or Research Centre: Faculty of Health and Social Care Sciences (until 2013)
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Depositing User: Katrina Clifford
Date Deposited: 22 Nov 2010 09:43
Last Modified: 22 Nov 2010 09:43

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